PLATE LI A. INTEHIOH ALLUVIAL FLAT OF VARIEGATED GLACIER Ice underlies the crescentic moraine on outer side of flat. Alluvial fan building stream emerges from flat through gorge in the moraine-covered ice in left-hand third of view. Site of this photograph (taken August 8, 1905) was, in 1906, a bristling, crevassed ice front. B. THE BTJTLER GLACIER BTJLB IN 1909, IN FOREGROUND In distance Nunatak Fiord, Nunatak and Cascading Glaciers, and hanging valley to the right of Mt. Draper.